Home / 880,776.36-1,215,477.58-478,368.36

Finding the Fourth Proportional to 880,776.36, 1,215,477.58 and 478,368.36

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Solution

The fourth proportional to 880,776.36, 1,215,477.58 and 478,368.36 is: 660,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,776.36 : 1,215,477.58 = 478,368.36 : x
  2. Step 2: Convert to fraction form
    880,776.36/1,215,477.58 = 478,368.36/x
  3. Step 3: Cross multiply
    880,776.36x = 1,215,477.58 × 478,368.36
  4. Step 4: Simplify right side
    880,776.36x = 581,446,016,561.37
  5. Step 5: Solve for x
    x = 581,446,016,561.37/880,776.36
  6. Step 6: Final answer
    x = 660,151.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.